Ross Hebeisenwrote:
i wood suggest end coating ( the end grain) with sealer or wax as
the
wood dry's faster out the end grain, not a for sure solution but
worth a
try. ross


Are the glued joints splitting? or the just random areas of the end
grain splitting?

If your glue joints are splitting, my first thought would be (mainly
since I am only visualizing) that the jointed edges might not have
been perfectly straight.. and if so, maybe you had released your
clamps a bit too soon. Being such thickness, those glue joints would
need absolute dry time, and then some.

There are also other considerations that no one here could posibly
know of, like the age of your glue, the persipitation ratio in your
shop or area you live.. how dry the actual wood was at time of
gluing, etc.. Its almost impossible to really define why you had
this trouble without this knowlege. But those would be a start.

Only real fix, dependng on how severe, would be to rip the joints back
down, and make a fresh joint.